Home / 3,157,492.79-4,358,460.45-1,868,330.41

Finding the Fourth Proportional to 3,157,492.79, 4,358,460.45 and 1,868,330.41

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Solution

The fourth proportional to 3,157,492.79, 4,358,460.45 and 1,868,330.41 is: 2,578,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,492.79 : 4,358,460.45 = 1,868,330.41 : x
  2. Step 2: Convert to fraction form
    3,157,492.79/4,358,460.45 = 1,868,330.41/x
  3. Step 3: Cross multiply
    3,157,492.79x = 4,358,460.45 × 1,868,330.41
  4. Step 4: Simplify right side
    3,157,492.79x = 8,143,044,195,627.37
  5. Step 5: Solve for x
    x = 8,143,044,195,627.37/3,157,492.79
  6. Step 6: Final answer
    x = 2,578,958.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.